Exercise box



FIG. 1 is a perspective view of an exercise box design showing my new design.

FIG. 2 is a front view of an exercise box.

FIG. 3 is a rear view of an exercise box.

FIG. 4 is a left side view of an exercise box.

FIG. 5 is a right side view of an exercise box.

FIG. 6 is a top view of an exercise box.

FIG. 7 is a bottom view of an exercise box.

FIG. 8 is a perspective view of an exercise box, shown in a state of use; and,

FIG. 9 is another perspective view of an exercise box, shown in a state of use.

The broken lines in the drawings depict portions of the exercise box that form no part of the claimed design. 

CLAIM The ornamental design for an exercise box, as shown and described. 